Liang Geliang

Mark Boster / Los Angeles Times

Liang Geliang of China warms up for his rematch with American George Braithwaite on Thursday at the Richard Nixon Presidential Library and Museum, which hosted a 40th anniversary celebration of the 1971 pingpong diplomacy.

Liang Geliang of China warms up for his rematch with American George Braithwaite on Thursday at the Richard Nixon Presidential Library and Museum, which hosted a 40th anniversary celebration of the 1971 pingpong diplomacy. (Mark Boster / Los Angeles Times)

Liang Geliang of China warms up for his rematch with American George Braithwaite on Thursday at the Richard Nixon Presidential Library and Museum, which hosted a 40th anniversary celebration of the 1971 pingpong diplomacy.